Pith Number

pith:YTNTR7US

pith:2009:YTNTR7US5LGGMKYUTV4JKQLMBY

not attested not anchored not stored refs pending

Detecting Planets Around Very Low Mass Stars with the Radial Velocity Method

A. Reiners, A. Seifahrt, J.L. Bean, K.F. Huber, S. Czesla, S. Dreizler

arxiv:0909.0002 v2 · 2009-08-31 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTNTR7US5LGGMKYUTV4JKQLMBY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:34:37.046152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4db38fe92eacc662b149d7895416c0e3ef290dcf3a57681f1bfb23abd56229c

Aliases

arxiv: 0909.0002 · arxiv_version: 0909.0002v2 · doi: 10.48550/arxiv.0909.0002 · pith_short_12: YTNTR7US5LGG · pith_short_16: YTNTR7US5LGGMKYU · pith_short_8: YTNTR7US

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/YTNTR7US5LGGMKYUTV4JKQLMBY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c4db38fe92eacc662b149d7895416c0e3ef290dcf3a57681f1bfb23abd56229c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a9abd803eb9a50022039580dd506a2e15994c3164f1401a1ad3a7bd835f6842",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-08-31T20:00:07Z",
    "title_canon_sha256": "a99de0dc65b0a5f0e4933241ead400b8281630ca83333095fef576de5c354e9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0002",
    "kind": "arxiv",
    "version": 2
  }
}